| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 46901 | Kokomo | Howard County | Standard |
| 46902 | Kokomo | Howard County | Standard |
| 46903 | Kokomo | Howard County | PO Box |
| 46904 | Kokomo | Howard County | PO Box |
| 46919 | Converse | Grant County | Standard |
| 46929 | Flora | Carroll County | Standard |
| 46936 | Greentown | Howard County | Standard |
| 46937 | Hemlock | Howard County | PO Box |
| 46965 | Oakford | Howard County | PO Box |
| 46979 | Russiaville | Howard County | Standard |
| 46995 | West Middleton | Howard County | PO Box |